examples/fuse/smb2mount.c

   1 /*
   2  * Unix SMB/CIFS implementation.
   3  * fusermount smb2 client
   4  *
   5  * Copyright (C) Volker Lendecke 2016
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 3 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "source3/include/includes.h"
  22 #include "popt.h"
  23 #include "popt_common_cmdline.h"
  24 #include "client.h"
  25 #include "libsmb/proto.h"
  26 #include "clifuse.h"
  27
  28 static struct cli_state *connect_one(const struct user_auth_info *auth_info,
  29                                      const char *server, int port,
  30                                      const char *share)
  31 {
  32         struct cli_state *c = NULL;
  33         NTSTATUS nt_status;
  34         uint32_t flags = 0;
  35
  36         nt_status = cli_full_connection_creds(&c, lp_netbios_name(), server,
  37                                 NULL, port,
  38                                 share, "?????",
  39                                 get_cmdline_auth_info_creds(auth_info),
  40                                 flags,
  41                                 get_cmdline_auth_info_signing_state(auth_info));
  42         if (!NT_STATUS_IS_OK(nt_status)) {
  43                 DBG_ERR("cli_full_connection failed! (%s)\n",
  44                         nt_errstr(nt_status));
  45                 return NULL;
  46         }
  47
  48         if (get_cmdline_auth_info_smb_encrypt(auth_info)) {
  49                 nt_status = cli_cm_force_encryption_creds(
  50                         c,
  51                         get_cmdline_auth_info_creds(auth_info),
  52                         share);
  53                 if (!NT_STATUS_IS_OK(nt_status)) {
  54                         cli_shutdown(c);
  55                         c = NULL;
  56                 }
  57         }
  58
  59         return c;
  60 }
  61
  62 int main(int argc, char *argv[])
  63 {
  64         const char **argv_const = discard_const_p(const char *, argv);
  65         TALLOC_CTX *frame = talloc_stackframe();
  66         poptContext pc;
  67         int opt, ret;
  68         int port = 0;
  69         char *unc, *mountpoint, *server, *share;
  70         struct cli_state *cli;
  71
  72         struct poptOption long_options[] = {
  73                 POPT_AUTOHELP
  74                 POPT_COMMON_SAMBA
  75                 POPT_COMMON_CREDENTIALS
  76                 { "port", 'p', POPT_ARG_INT, &port, 'p', "Port to connect to",
  77                   "PORT" },
  78                 POPT_TABLEEND
  79         };
  80
  81         smb_init_locale();
  82         setup_logging(argv[0], DEBUG_STDERR);
  83         lp_set_cmdline("client min protocol", "SMB2");
  84         lp_set_cmdline("client max protocol", "SMB3_11");
  85
  86         lp_load_global(get_dyn_CONFIGFILE());
  87         load_interfaces();
  88
  89         pc = poptGetContext("smb2mount", argc, argv_const, long_options, 0);
  90         poptSetOtherOptionHelp(pc, "//server1/share1 mountpoint");
  91
  92         while ((opt = poptGetNextOpt(pc)) != -1) {
  93                 switch(opt) {
  94                     case 'p':
  95                             break;
  96                     default:
  97                             fprintf(stderr, "Unknown Option: %c\n", opt);
  98                             exit(1);
  99                 }
 100         }
 101
 102         if (!poptPeekArg(pc)) {
 103                 poptPrintUsage(pc, stderr, 0);
 104                 return -1;
 105         }
 106         unc = talloc_strdup(frame, poptGetArg(pc));
 107         if (unc == NULL) {
 108                 return -1;
 109         }
 110         string_replace(unc,'/','\\');
 111
 112         if (!poptPeekArg(pc)) {
 113                 poptPrintUsage(pc, stderr, 0);
 114                 return -1;
 115         }
 116         mountpoint = talloc_strdup(frame, poptGetArg(pc));
 117         if (mountpoint == NULL) {
 118                 return -1;
 119         }
 120
 121         poptFreeContext(pc);
 122         popt_burn_cmdline_password(argc, argv);
 123
 124         server = talloc_strdup(frame, unc+2);
 125         if (!server) {
 126                 return -1;
 127         }
 128         share = strchr_m(server,'\\');
 129         if (!share) {
 130                 fprintf(stderr, "Invalid argument: %s\n", share);
 131                 return -1;
 132         }
 133
 134         *share = 0;
 135         share++;
 136
 137         cli = connect_one(popt_get_cmdline_auth_info(), server, port, share);
 138         if (cli == NULL) {
 139                 return -1;
 140         }
 141
 142         ret = do_mount(cli, mountpoint);
 143         if (ret != 0) {
 144                 fprintf(stderr, "mount failed\n");
 145                 return -1;
 146         }
 147
 148         popt_free_cmdline_auth_info();
 149         TALLOC_FREE(frame);
 150         return 0;
 151 }